Clearance Sale - EXTRA 25% OFF
Save an extra 25% on select clearance parts, magazines, accessories and upgrades during the HK Parts Labor Day Sale. Clearance products may include discontinued, overstocked and last-chance items. All clearance products are sold as-is and are final sale. Limited quantities are available, and once they are gone, they are gone.
Free shipping applies to qualifying orders with a subtotal of $250 or more. All orders receiving free shipping will be shipped via USPS Standard. Exclusions may apply.
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Out Of StockOn Sale
Picatinny Harris Bipod Adapter - Extended
HKP HK Parts
Now: $7.46Was: $19.95HKP Extended Harris Bipod Adapter Universal Picatinny rail Harris bipod adapterHKP-15374Now: $7.46Was: $19.95 -
On Sale
HK UMP Flash Hider - 5 Prong - .40 S&W, .45 ACP
B&T Brugger & Thomet
Now: $82.84Was: $129.95B&T Brugger and Thomet 5 Prong Flash Hider .40 S&W and .45 ACP for HK UMP Each flash hider includes the proper quick detach system to take the flash hider on and off. Each flash hider features a 5...HKP-16891Now: $82.84Was: $129.95 -
On Sale
HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x32 with 3 Lug
RCM
Now: $125.97Was: $179.95RCM HK MP5N 9mm Barrel - Threaded 1/2x32 - 3-Lug This MP5N barrel delivers exceptional value, crafted from premium Cold Hammer Forged Steel and treated with a durable nitride process. It easily...HKP-16967Now: $125.97Was: $179.95 -
On Sale
HK MP5 Trigger Pack - Single Stage Semi-Auto - SEF
HKP HK Parts
Now: $286.84Was: $449.95HKP/H&K MP5 9mm Semi-Auto SEF Single Stage Trigger Pack This trigger pack starts as a factory F/A trigger pack before being converted into a semi-auto trigger pack and receiving single-stage trigger...HKP-21083Now: $286.84Was: $449.95 -
On Sale
Flash Hider .22 Cal - Titanium - Silver
Tactical Precision MFG
Now: $33.71Was: $88.99TPM Tactical Precision MFG Flash Hider .22 LR - Titanium This titanium tri-port muzzle brake reduces recoil, muzzle rise, and hides the flash. Dust does not kick up due to three offset front ports...HKP-20778Now: $33.71Was: $88.99 -
On Sale
HK SP5 End Cap with Buffer - QD
HKP HK Parts
Now: $44.96Was: $99.95HKP HK Parts Quick Detach End Cap for HK SP5 With this SP5 QD end cap upgrade you will get a heavier buffer to internally protect your firearm and keep your bolt carrier in tip top condition for...HKP-20757Now: $44.96Was: $99.95 -
On Sale
HK UMP .40 Semi-Auto Bolt Group - Complete
Michaels Machines
Now: $414.34Was: $649.95Michaels Machines HK UMP .40 Semi-Auto Bolt Group - Complete MM’s UMP tungsten filled UMP .40 bolt carrier. Heat treated, parkarized and polished for the best look and function possible, as an added...HKP-20626Now: $414.34Was: $649.95 -
On Sale
HK MR556 Rail System - 10" - M-LOK
KDG Kinetic Development Group
Now: $209.96Was: $374.95KDG HK MR556 10" M-LOK Rail System Direct-mount rail system designed to replace the factory HK MR556 handguard. Features a continuous monolithic Picatinny rail at the 12 o’clock position and M-LOK...HKP-19246Now: $209.96Was: $374.95 -
On Sale
HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable
B&T Brugger & Thomet
Now: $265.97Was: $379.95B&T HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable This Swiss-made folding helmet stock offers a compact, military-grade solution for MP5K-pattern firearms. Built from durable polymer and...HKP-18101Now: $265.97Was: $379.95 -
On Sale
HK VP9SK, P30SK Compensator - Rail Adapter
HKP HK Parts
Now: $22.28Was: $34.95Comp Weight™ Rail Adapter - VP9SK & P30SK The HK Parts Comp Weight™ rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick detach lever. This is designed...hkp-18901Now: $22.28Was: $34.95 -
On Sale
HK416, MR556 M-LOK Handguard with Overgrip - 11"
B&T Brugger & Thomet
Now: $187.46Was: $365.00B&T M-LOK Handguard OG for HK416/MR556 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR556 is an amazing...HKP-20403Now: $187.46Was: $365.00 -
On Sale
HK P2000, P2000SK Holster - Warrior
Comp-Tac
$52.47 - $74.95Comp-Tac HK P2000, P2000SK Warrior Holster The Warrior Holster design offers a stealth footprint, outside the waist band carry that is perfect for OWB concealment. Easily accessible, designed for a...HKP-18806-M$52.47 - $74.95